BLASTOCOELS
Scrabble letter values: B3L1A1S1T1O1C3O1E1L1S1 = 15
Definition
BLASTOCOELS is the plural of BLASTOCOEL.
noun BLASTOCOEL: the fluid-filled cavity inside a blastula.
Synonyms of BLASTOCOEL: blastocoele, blastocele, segmentation_cavity, cleavage_cavity